Topic 7 Quick Check

Which of the following are factors of 87?

• 1

• 174

• 3

• 87

• 88

Which of the following is a multiple of 24?

• 12

• 72

• 1

• 48

• 6

Which of the following are factors for 8?

• 1

• 4

• 8

• 16

• 24

Which of the following is the first number a multiple of the second number?

• 14, 2

• 3, 18

• 42, 7

• 7, 42

Which of the following are prime numbers?

• 6

• 7

• 9

• 37

• 57

Which of the following are composite numbers?

• 93

• 94

• 95

• 96

• 97

Joe has 51 cards. This is 3 times as many cards as his brother. How many cards does his brother have?

• 153

• 54

• 24

• 17

64 is 4 times as many as x. What is x?

• 256

• 16

• 108

• 68

Which number has ONLY 4 factors?

• 9

• 16

• 10

• 12

A composite number could have how many factors?

• 0

• 1

• 2

• 3